Once you realise that a diesel mechanic most assuredly has a vested interest in pretending to fix “diesel engines”, it’s much less of a stretch to believe that he might be working for the UN depopulation agenda.
With conspiracy theory, one can make a case for anything. Readers employing conspiracy theory to test those cases can “stretch” their suspicion to confirm anything, forcing them to resort to their “crystal ball”. Any suspicion can become lore. But if the authorities behave this way, it’s called a fit-up.